import { artifactFormBody, BETA_REVISION_FORM_LIMIT } from '$lib/server/request-body.js';
import { isHttpError, json } from '@sveltejs/kit';
import { BetaError, reviseBeta, type BetaRevisionUpload } from '$lib/server/fleet/beta.js';
import { ScriptError } from '$lib/server/fleet/scripts.js';
import { kick } from '$lib/server/pipeline/worker.js';

export async function POST({ params, request }: { params: { id: string }; request: Request }) {
    const id = Number(params.id);
    if (!Number.isSafeInteger(id) || id < 1)
        return json({ ok: false, error: 'Invalid beta ID' }, { status: 400 });
    try {
        const form = await artifactFormBody(request, BETA_REVISION_FORM_LIMIT);
        const expectedRevision = Number(form.get('expectedRevision'));
        if (!Number.isSafeInteger(expectedRevision) || expectedRevision < 1)
            throw new Error('A reviewed revision is required.');
        const uploads: BetaRevisionUpload[] = [];
        for (const [key, value] of form) {
            if (!key.startsWith('file:')) continue;
            const scriptId = Number(key.slice(5));
            if (!Number.isSafeInteger(scriptId) || scriptId < 1 || !(value instanceof File))
                throw new Error('Invalid replacement file.');
            uploads.push({
                scriptId,
                content: Buffer.from(await value.arrayBuffer()),
                releaseVersion: form.has(`release:${scriptId}`)
                    ? String(form.get(`release:${scriptId}`))
                    : undefined
            });
        }
        const result = await reviseBeta(
            id,
            expectedRevision,
            uploads,
            String(form.get('notes') ?? '')
        );
        void kick();
        return json({ ok: true, result });
    } catch (error) {
        if (isHttpError(error)) throw error;
        return json(
            { ok: false, error: (error as Error).message },
            { status: error instanceof BetaError || error instanceof ScriptError ? 409 : 400 }
        );
    }
}